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Finding the Fourth Proportional to 19,216.65, 28,824.96 and 6,070.14

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Solution

The fourth proportional to 19,216.65, 28,824.96 and 6,070.14 is: 9,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.65 : 28,824.96 = 6,070.14 : x
  2. Step 2: Convert to fraction form
    19,216.65/28,824.96 = 6,070.14/x
  3. Step 3: Cross multiply
    19,216.65x = 28,824.96 × 6,070.14
  4. Step 4: Simplify right side
    19,216.65x = 174,971,542.69
  5. Step 5: Solve for x
    x = 174,971,542.69/19,216.65
  6. Step 6: Final answer
    x = 9,105.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.